Brain Pop Earth Study Guide Questions And Correct Answers

What keeps earths temperature at the proper level for life {Ans: It's distance from the sun}Which choice accurately describes the function of the earths atmosphere {Ans: It blocks harmful radiation but traps warmth}Water is essential for life on earth in the previous sentence what does essential mean {Ans: Necessary}Which factor is responsible for earths gravity {Ans: It's mass}What might happen if the earth did not have a magnetic field {Ans: We might be bombarded by dangerous cosmic rays}Which term best describes the outer core of the earth {Ans: Liquid}